Speaker microphone



FIG. 1 is a front perspective view of an ornamental design for a speaker microphone;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown in FIGS. 1-8, that are immediately adjacent to the shaded areas, and define the unshaded regions, are for illustrative purposes only; the portions shown in broken lines form part of the article but do not form part of the claimed design. 

CLAIM The ornamental design for a speaker microphone, as shown and described. 